<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.css" integrity="sha384-9eLZqc9ds8eNjO3TmqPeYcDj8n+Qfa4nuSiGYa6DjLNcv9BtN69ZIulL9+8CqC9Y" crossorigin="anonymous">
<script src="{{ cdn(elixir('assets/js/katex.js')) }}"
onload="renderMathInElement(document.body,{
delimiters: [
    {left: '$$', right: '$$', display: true},
    {left: '$', right: '$', display: false}
]});"
></script>
<script>
    $(document).ready(function()
    {
        renderMathInElement(document.body, {
            // ...options...
            delimiters: [
                {left: "$$", right: "$$", display: true},
                {left: "$", right: "$", display: false}
            ]
        });
    });
</script>